3D Molded Structure with Through-Holes for Volatile Chemical Delivery
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Solution Overview
Problem
Insect repellent devices with volatile chemicals face issues of reduced effectiveness and contamination when minimized in size, as they have a smaller surface area for volatilization and increased contact with container walls, leading to impaired performance.
Innovation Solution
A three-dimensional structure made by molding a resin composition with through-holes into a plate form, which maintains a larger surface area for volatilization and minimizes contact with container walls, enhancing the insect-repelling effect and preventing contamination.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the overall size of the insect repellent device is reduced, then the device becomes less conspicuous and easier to place, but the surface area for volatile chemical volatilization is reduced, impairing the insect-repelling effect
Solution Approach 1:
The invention transitions from a conventional two-dimensional flat net to a three-dimensional structure with through-holes. This dimensional change allows the volatile chemical to volatilize from both the front and back surfaces of the net, effectively doubling the volatilization surface area within the same overall device footprint, thus maintaining insect-repelling effectiveness while reducing device conspicuousness
Solution Approach 2:
The invention uses a net structure with through-holes that creates a porous configuration. This porous structure provides numerous surfaces for volatile chemical volatilization, increasing the effective surface area-to-volume ratio and enabling sufficient chemical release even when the overall device size is reduced
2Ease of operation
If the volatile chemical-containing net is placed in a container, then the device is easier to store and deploy, but a large portion of the net surface area contacts the container inner wall, interfering with volatilization and contaminating the container
Solution Approach 1:
By creating a three-dimensional structure with through-holes rather than a flat two-dimensional net, the invention reduces the total surface area that contacts the container walls. The hollow configuration minimizes peripheral contact points while maintaining internal volatilization surfaces, thereby reducing contamination risk
Solution Approach 2:
The net is segmented into multiple through-holes distributed across the structure. This segmentation creates discrete volatilization zones that are separated from container walls, allowing chemical to volatilize into the container interior without the net surface directly contacting and contaminating the container walls
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The structure ensures sufficient volatilization of the chemical even when reduced in size, focuses the chemical flow for improved effectiveness, and reduces contamination, maintaining the insect-repelling performance while being more discreet and easier to handle.
Implementation Method 1
the volatile chemical volatilizes from the surface of the net
Data Source
AI summary
A three-dimensional structure is provided which is obtained by molding a volatile chemical-containing resin composition into a plate form, wherein the three-dimensional structure includes through-holes penetrating therethrough from the front to the back thereof, the through-holes have peripheries having a shape selected from polygonal, circular, circular arc and spiral shapes when the three-dimensional structure is viewed from the front, and the peripheries of the through-holes are formed on a single plane or on a smoothly curved imaginary surface.